Window-cleaning device.



P. ALSBERG.

WINDOW CLEANING DEVICE.

AYPLIOATION FILED MAY 24, 1911.

INVENTOR 2 SHEETS-$113161. 2.

Patented July 22, 1913.

WITW

ATTORNEY-5' coLummA ILANOGHAPH CU, WASHINGTON, 1). c4

PRISGILLA ALSBERG, OF NEW YORK, N. Y.

WINDOW-GLEANING DEVICE.

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Specification of Letters Patent.

Patented July 22, 1913.

Application filed May 24, 1911. Serial No. 629,095.

To all whom it may concern Be it known that l, PRISCILLA ALsBnRo, a citizen of the United States, and a resident of the city of New York, borough of Manhattan, in the county and State of New York, have invented a new and Improved lVindow-Clcaning Device, of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and improved window cleaning device, which is simple and durable in construction, readily applied to a window, and arranged to permit of conveniently and thoroughly cleaning the window panes on. the outside thereof, by the operator manipulating the device from the inside of the window.

For the purpose mentioned, use is made of a base adapted to be set on. the window sill and held in place by the bottom rail of a. sash, the base being provided with a vertical guideway, on which is mounted to slide a cross head carrying a wiper or a cleaning pad, the cross head being connected with ropes, oassinp; over pulleys arranged on the top of the uideway and in the base, the

ropes extending through the base to the inside of the window to permit the operator to manipulate the ropes from the inside of the window with a view to moving the cross head up and down with the wiper in contact with the outer surface of the window pane.

A practical embodiment of the invention is represented in the accompanying drawings forming a part of this specification, in which similar characters of reference inclicate corresponding parts in all the views.

Figure 1 is a front elevation of the window-cleaning device as applied to a window; Fig. 2 is a cross section of the same on the line 2-2 of Fig. 1; Fig. 3 is an enlarged cross section of the window-cleaning device; Fig. 4: is an enlarged face view of the cross head mounted to slide on the vertical guideway; Fig. 5 is a plan view of the same with the wiper in position on the cross head; Fig. 6 is a cross section of the same on the line 6-6 of Fig. 5; Fig. 7 is a similar view of the same on the line 7-7 of Fig. 5; Fig. 8 is an enlarged rear face view of the wiper, and F ig. 9 is a fragmentary cross-section through the upper portion of the upper sash, illustrating the application of hooks to be hereinafter described.

ihe base A of the window-cleaning de vice is in the form of a block adapted to be set on the sill ll of the window, and the base A is held in place by the bottom rail of the sash C to be cleaned at the outer face thereof, it being understood that the device can be readily used for cleaning; either the upper or lower sash of the window. (in the base A is erected a gruideway ll, preferably made in the form of two telescoping bars, connected with each other at the top by a cross bar D which cross bar may be provided with hoohs E, adapted to hook onto the top rail of the upper sash when the latter is to be cleaned, as particularly shown in Fig. 9. in cleaning the lower sash, cross bar I) bears on the lower rail of the upper sash as particularly shown in 2.

it is understood that by making the guideway D in telescoping sections, the device can be readily applied to sashes of different height, and when in position on the window, the device can be readily shifted lengthwise of the window so as to permit of cleaning; the entire outer surface of the window pane.

On the guideway D is mounted to slide up and down a cross head F, provided with bearings F engaging the guideway. The said cross head F is provided with slots or openings F 2 engaged by rearwardly-extendiug arms G projecting from the rear face of a wiper G. This wiper has a covering G of cloth or other suitable material, which is stretched over the face thereof and provided with straps at the ends and sides for fastening the same on the back of the wiper G by pins lit, to hold the covering properly stretched over the front face of the wiper (see Fig. 8). The cross head F is provided with recessed bosses F each containing' a coil spring; I projecting beyond the face of the cross head F to bear against the back of the wiper G, with a view to pressing the covering G into iii-1n contact with the outer face of the window pane of the sash to be cleaned at the time.

lit understood that the springs I exert suiliicient pressure on the wiper G so as to hold the covering in contact with the window pane, so that when the cross head F is moved up and down on the guideway D, then a thorough cleaning of the window pane takes place. In order to impart the desired up and down motion to the cross head F, use is made of two pairs of ropes J and J, of which the ropes J are attached to the upper portion of the cross head F, and extend upwardly over pulleys K journaled in the top cross bar D of the guideway D, the ropes J then extending downward under a pair of guide pulleys L, L journaled in recesses in the base A with the ropes passing through openings A formed transversely in the base A, so that the ends of the ropes extend into the room. The ropes J are attached to the lower portion or" the cross head F and extend under another pair of guide pulleys L, L arranged in the base A, the ropes J also passing through a transverse opening A to the inside of the window. Thus the several loose ends of the ropes J and J extend into the room, to be taken hold of by the operator, who on pulling on the ropes J causes the cross head F and its wiper G to slide up in the guideways D, and when pulling on the ropes J a downward sliding movement is given to the said cross head F and its wiper G. Thus, on alternately manipulating the ropes J and J, an up and down sliding motion is given to the cross head F and its wiper G for the latter to clean the outer surface of the window pane.

It is understood that the device is readily shifted lengthwise of the window after a portion is cleaned until the entire window pane has been cleaned on the outside.

The window-cleaning device shown and described is very simple and durable in construction, and can be readily placed in position on the window sash for cleaning the outside of the window pane, and the device can be readily shifted lengthwise of the window so that the wiper G reaches every part of the window pane, to clean the same.

Having thus described my invention, I claim as new and desire to secure by Letters Patent:

A window cleaning device, comprising a base carrying pairs of pulleys, a vertical guideway erected on the said base and comprising a pair of spaced uprights, a cross bar at the upper ends of said uprights, and carrying a pair of rollers, a cross head having bearings slidably engaging said uprights, said cross head also having recessed bosses, and being provided with slotted openings between said bosses and said bearings, springs located in said bosses and projecting beyond the face of the crosshead, a wiper having a removable covering and provided with transverse arms slidingly engaging the said cross head openings whereby to prevent the wiper from turning, the said springs engaging and pressing the said wiper, and pairs of ropes attached to the said cross head at its top and bottom, one of the ropes of each pair extending upward over a cross bar pulley and then down and under a base pulley, and the other rope of each pair extending downward and under a base pulley.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

PR1 SCILLA ALSBERG.

Vitnesses Trmo. G. HosTER, PHILIP D. ROLLHAUS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C. 

